请务必保证你们自已的安全,这很必要.It's necessary to ____ _____to _____ yours

请务必保证你们自已的安全,这很必要.It's necessary to ____ _____to _____ yours 英语翻译请务必保证你们自己的安全,这很必要.It's necessary to ______ ______ to kee 翻译 大量阅读是必要的（it is necessary to do sth) _____________________ 英语翻译昨晚你父亲发生了什么事了?【happen to sb.】在图书馆保持安静是必要的【It’s necessary ____ _____ _____ _____,please?It's ten to nine It's a long way,so ____ is necessary ____ you to take enough It is ____(必要的）to study English hard 抄袭别人的作业会让你养成坏习惯.It will ____ you a _____ _____to _____ other 1.Don't you think it necessary that he _____to Miami but to It's not ____(安全的)to play on the road. It's not necessary to the same.这句改错 It's not right to _____ _____ ____.